U.S. patent application number 16/962417 was filed with the patent office on 2020-11-19 for door hinge and laundry treatment device provided with door hinge.
This patent application is currently assigned to QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.. The applicant listed for this patent is HAIER SMART HOME CO., LTD., QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.. Invention is credited to Rongshuai CAI, Wenwei LI, Jinkai WANG, Benfu XING, Shaolei YI.
Application Number | 20200362504 16/962417 |
Document ID | / |
Family ID | 1000005005738 |
Filed Date | 2020-11-19 |
United States Patent
Application |
20200362504 |
Kind Code |
A1 |
LI; Wenwei ; et al. |
November 19, 2020 |
DOOR HINGE AND LAUNDRY TREATMENT DEVICE PROVIDED WITH DOOR
HINGE
Abstract
A door hinge, and a laundry treatment device provided with the
door hinge, includes a hinge mount, a hinge shaft and a rotating
arm, a side of the rotating arm is provided with a wire passing
groove, the rotating arm further includes a fixing clip, and a
cavity structure is formed by the fixing clip and the wire passing
groove for allowing wire to pass. On the basis of the prior art, a
wire passing structure of the door hinge is added, wiring of an
energization component of the laundry treatment device with the
door hinge can be facilitated, wires can be hidden by the wire
passing structure, space is saved, and the attractiveness is
improved; the wires are not liable to be worn or broken since the
wires are placed in the groove; and all parts of the rotating arm
can be disassembled for easy maintenance.
Inventors: |
LI; Wenwei; (Shandong,
CN) ; XING; Benfu; (Shandong, CN) ; WANG;
Jinkai; (Shandong, CN) ; CAI; Rongshuai;
(Shandong, CN) ; YI; Shaolei; (Shandong,
CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
HAIER SMART HOME CO., LTD. |
Shandong
Shandong |
|
CN
CN |
|
|
Assignee: |
QINGDAO HAIER DRUM WASHING MACHINE
CO., LTD.
Shandong
CN
HAIER SMART HOME CO., LTD.
Shandong
CN
|
Family ID: |
1000005005738 |
Appl. No.: |
16/962417 |
Filed: |
December 28, 2018 |
PCT Filed: |
December 28, 2018 |
PCT NO: |
PCT/CN2018/124684 |
371 Date: |
July 15, 2020 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
E05D 5/065 20130101;
D06F 39/14 20130101; E05Y 2900/312 20130101; E05D 3/02
20130101 |
International
Class: |
D06F 39/14 20060101
D06F039/14; E05D 3/02 20060101 E05D003/02; E05D 5/06 20060101
E05D005/06 |
Foreign Application Data
Date |
Code |
Application Number |
Jan 16, 2018 |
CN |
201810040462.4 |
Claims
1. A door hinge, comprising a hinge mount, a hinge shaft and a
rotating arm, wherein a side of the rotating arm is provided with a
wire passing groove, the rotating arm is provided with a fixing
clip, and a cavity structure for allowing wire to pass is formed by
the fixing clip and the wire passing groove.
2. The door hinge according to claim 1, wherein one end of the
rotating arm is connected with the hinge mount via the hinge shaft,
and another end of the rotating arm is configured to be connected
with a machine door, the one end, close to the hinge shaft, of the
rotating arm is provided with a through hole for allowing wire to
pass, and the wire passing groove is through the rotating arm from
the through hole to the other end configured to be connected with
the machine door.
3. The door hinge according to claim 2, wherein the one end,
connected with the hinge mount, of the rotating arm has a radian,
the other end, configured to be connected with the machine door, of
the rotating arm is of a planar structure, and an installation hole
for being connected with the machine door are arranged on the
planar structure; and the wire passing groove comprises an arc
groove corresponding to an arc end of the rotating arm and a
straight groove corresponding to the planar structure of the
rotating arm.
4. The door hinge according to claim 3, wherein the fixing clip is
matched with the wire passing groove of the rotating arm in shape,
the fixing clip comprises an arc clipping section connected with
and matched with the arc groove and a straight clipping section
connected with and matched with the straight groove.
5. The door hinge according to claim 4, wherein the fixing clip is
detachably connected with the rotating arm
6. The door hinge according to claim 2, wherein the door hinge
further comprises an end cover, the end cover is detachably
connected with the rotating arm, a tail of the end cover is
hermetically connected with the through hole, the end cover is
hollow inside for allowing wire to pass and is of a cambered
surface structure as a whole matched with the rotating arm, and the
end cover is provided with a fixing and guiding structure.
7. The door hinge according to claim 6, wherein the fixing and
guiding structure of the end cover is a guide hole, the guide hole
is arranged at an upper portion and/or a lower portion of the end
cover, a size of the guide hole is set for fastening wires or
cables, and the end cover is connected with the rotating arm in a
bolted or clamped mode.
8. The door hinge according to claim 7, wherein the end cover and
the fixing clip are arranged as an integrated structure, and the
end cover and the fixing clip which are integrally formed are
detachably connected with the rotating arm.
9. The door hinge according to claim 1, wherein the door hinge is
provided with a limiting structure, the hinge mount or the rotating
arm is provided with a stop protrusion which is located at a joint
between the hinge mount and the rotating arm, and the stop
protrusion limit a rotation angle of the rotating arm relative to
the hinge mount.
10. A laundry treatment device provided with the door hinge
according to claim 1, comprising a machine door and a front panel,
the hinge mount of the door hinge is connected with the front
panel, the rotating arm of the door hinge is connected with the
machine door, and the machine door is rotationally connected with
the front panel.
11. The door hinge according to claim 5, wherein the fixing clip
and the rotating arm are connected in a bolted or clamped mode.
Description
TECHNICAL FIELD
[0001] The present disclosure belongs to the field of household
appliances, and particularly relates to a door hinge and a laundry
treatment device provided with the door hinge.
BACKGROUND
[0002] With the technology development and diversification of
household appliances, many household appliances have been provided
with more powerful functional modules on doors, such as electrical
components of display operation panels or light boxes for lighting.
For the multiple extended functions, wires generally need to be
arranged at hinge joints.
[0003] However, at present, hinge mechanisms of doors of most
household appliances are not provided with wire passing structures
and cannot supply power to door bodies, resulting in the problem
that wires or cables are exposed or entangled on the door side, and
the attractiveness of the household appliances is affected.
Moreover, wires or cables are liable to be broken due to frequent
rotation caused by repeated opening and closing of machine doors,
resulting in safety accidents.
[0004] Some household appliances consuming water, such as washing
machines, have stricter requirements on the wires. Once the wires
of the water-consuming equipment are exposed, the wires are prone
to making contact with water, which may cause electric shock
accidents seriously. Therefore, the wiring mode for such appliances
should be more concerned.
[0005] In view of this, the present disclosure is specifically
proposed.
SUMMARY
[0006] The technical problems to be solved by the present
disclosure are to overcome the defects of the prior art, and to
provide a door hinge and a laundry treatment device provided with
the door hinge.
[0007] In order to solve the above technical problems, the basic
concept of the technical solutions adopted by the present
disclosure is: a door hinge includes a hinge mount, a hinge shaft
and a rotating arm. A side of the rotating arm is provided with a
wire passing groove, the rotating arm further includes a fixing
clip. A cavity structure for allowing wire to pass is formed by the
fixing clip and the wire passing groove.
[0008] One end of the rotating arm is connected with the hinge
mount via the hinge shaft, and another end of the rotating arm is
configured to be connected with a machine door. The one end, close
to the hinge shaft, of the rotating arm is provided with a through
hole for allowing wire to pass. The wire passing groove is through
the rotating arm from the through hole to the other end configured
to be connected with the machine door.
[0009] The one end, connected with the hinge mount, of the rotating
arm has a certain radian. The other end, configured to be connected
with the machine door, of the rotating arm is of a planar
structure, and an installation hole for being connected with the
machine door are arranged on the planar structure. The wire passing
groove includes an arc groove corresponding to an arc end of the
rotating arm and a straight groove corresponding to the planar
structure of the rotating arm.
[0010] The fixing clip is matched with the wire passing groove of
the rotating arm in shape. The fixing clip includes an arc clipping
section connected with and matched with the arc groove and a
straight clipping section connected with and matched with the
straight groove.
[0011] The fixing clip is detachably connected with the rotating
arm.
[0012] Preferably, the fixing clip and the rotating arm are
connected in a bolted or clamped mode.
[0013] The door hinge further includes an end cover; the end cover
is detachably connected with the rotating arm. A tail of the end
cover is hermetically connected with the through hole. The end
cover is hollow inside for allowing wire to pass, is of a cambered
surface structure as a whole matched with the rotating arm.
[0014] The end cover is provided with a fixing and guiding
structure.
[0015] Preferably, the fixing and guiding structure of the end
cover is arranged as a guide hole. The guide hole is arranged at an
upper portion and/or a lower portion of the end cover. A size of
the guide hole is set for fastening wires or cables. The end cover
is connected with the rotating arm in a bolted or clamped mode.
[0016] The end cover and the fixing clip are also arranged as an
integrated structure, and the end cover and the fixing clip which
are integrally formed are detachably connected with the rotating
arm.
[0017] Preferably, the end cover and the fixing clip which are
integrally formed are connected with the rotating arm in a bolted
or clamped mode.
[0018] The door hinge is provided with a limiting structure.
[0019] Preferably, the hinge mount or the rotating arm is provided
with a stop protrusion which is located at a joint between the
hinge mount and the rotating arm. The stop protrusion limit the
rotation angle of the rotating arm relative to the hinge mount.
[0020] A laundry treatment device provided with the door hinge
includes a machine door and a front panel. The hinge mount of the
door hinge is connected with the front panel; the rotating arm of
the door hinge is connected with the machine door. The machine door
is rotationally connected with the front panel.
[0021] A door body of the laundry treatment device is provided with
a decorative or lighting lamp, or the door body is provided with
electrical components such as a control panel, and wires of the
electrical components are introduced into a machine body through
the door hinge for power supply.
[0022] After adopting the above technical solution, the technology
has the main beneficial effects that:
[0023] 1. The door hinge can be used for opening and closing of the
machine door and the front panel, via the wire passing structure,
the wires or the cables used by the components on the door can be
hidden, the attractiveness of household appliances is improved, and
the wiring safety performance is also achieved.
[0024] 2. The wires or the cables are fixed in the wire passing
groove, rotate together with the rotating arm and thus are
prevented from being worn or broken due to frequent opening and
closing of the machine door, and therefore the service life of the
wires or the cables is prolonged.
[0025] 3. The door hinge is simple, compact and reasonable in
structure, the wire passing purpose is achieved by forming a groove
on the rotating arm without adding extra parts, the overall size of
the door hinge does not increase significantly, and spaces on door
bodies of washing machines and other household appliances are
saved.
[0026] 4. All parts can be detachably connected, and links such as
circuit repair or component replacement are more convenient.
[0027] 5. For a laundry treatment device with a lamp or a control
panel on a door body, wires can be arranged from the door hinge for
the laundry treatment device adopting the door hinge, the wires or
cables can be prevented from making contact with water in a washing
machine body, leakage accidents are avoided, and the aesthetic
performance of the appearance of the laundry treatment device is
improved.
[0028] The specific implementation modes of the present disclosure
will be described in further detail below with reference to the
accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0029] As a part of the present disclosure, the accompanying
drawings are used to provide a further understanding of the present
disclosure. The schematic embodiments and descriptions of the
present disclosure are used to explain the present disclosure, but
do not constitute an undue limitation on the present disclosure.
Apparently, the accompanying drawings in the description below are
merely some of the embodiments, based on which other drawings may
be obtained by those of ordinary skill in the art without creative
efforts. In the drawings:
[0030] FIG. 1 is an exploded schematic view of a door hinge of the
present disclosure;
[0031] FIG. 2 is an assembly schematic view of a front of a door
hinge of the present disclosure;
[0032] FIG. 3 is an assembly schematic view of rear of a door hinge
of the present disclosure;
[0033] FIG. 4 is an exploded schematic view of a rotating arm of
the present disclosure;
[0034] FIG. 5 is an assembly schematic view of a rotating arm of
the present disclosure;
[0035] FIG. 6 is a schematic view of a hinge mount of the present
disclosure;
[0036] FIG. 7 is a schematic front view of assembly of a machine
door and a front panel of the present disclosure;
[0037] FIG. 8 is a schematic rear view of assembly of a machine
door and a front panel of the present disclosure; and
[0038] FIG. 9 is a schematic view of a twin-tub washing machine
with a control panel on a machine door of the present
disclosure.
[0039] Wherein: [0040] 1. door hinge; [0041] 11. hinge mount; 111,
installation sleeves; 112, stop protrusion; 113, support ribs; 114,
installation hole; [0042] 12. hinge shaft; [0043] 13. rotating arm;
131, through hole; 132, cambered surface structure; 133, planar
structure; 134, wire passing groove; 135, installation sleeve; 136,
installation hole; [0044] 14. fixing clip; 141, arc clipping
section; 142, straight clipping section; 143, arc-shaped wire
passing notch; [0045] 15. end cover; 151, guide hole; 152, tail
plate; 153, screw hole; 154, insert plate; [0046] 16. screw; [0047]
2. machine door; 21, first machine door; 211, inclined structure;
212, control panel; 22, second machine door; and [0048] 3. front
panel.
[0049] It should be noted that these accompanying drawings and text
descriptions are not intended to limit the scope of the present
disclosure in any way, but to explain the concept of the present
disclosure to those skilled in the art by referring to specific
embodiments.
DETAILED DESCRIPTION OF THE EMBODIMENTS
[0050] To make the objectives, technical solutions and advantages
of the embodiments of the present disclosure clearer, the technical
solutions in the embodiments will be described clearly and
completely in conjunction with the accompanying drawings in the
embodiments of the present disclosure below. The following
embodiments are used to illustrate the present disclosure, but not
to limit the scope of the present disclosure.
[0051] In the description of the present disclosure, it should be
noted that azimuth or position relationship indicated by the terms
such as "upper", "lower", "front", "rear", "vertical", "inner",
"outer", "top end" and "tail" is based on the azimuth or position
relationship shown in the accompanying drawings, is only for the
convenience of describing the present disclosure and simplifying
the description, rather than indicating or implying that referred
devices or elements must have a specific orientation or be
constructed and operated in a specific orientation, and therefore
cannot be construed as limiting the present disclosure.
[0052] In the description of the present disclosure, it should be
noted that unless otherwise clearly specified and limited, the
terms "assembly", "installation", "connection" and "joint" should
be understood in a broad sense, for example, it can be fixed
connection, or detachable connection or integral connection; it can
be mechanical connection or electrical connection; it can be direct
connection or indirect connection through an intermediate medium.
For those of ordinary skill in the art, the specific meanings of
the above terms in the present disclosure can be understood in
specific situations.
[0053] A door hinge 1 includes a hinge mount 11, a hinge shaft 12
and a rotating arm 13. The rotating arm 13 is provided with a wire
passing groove 134. The door hinge 1 further includes a fixing clip
14 and an end cover 15. FIG. 1 shows an exploded schematic view of
the door hinge.
[0054] The hinge shaft 12 is used for connecting the hinge mount 11
with the rotating arm 13.
[0055] The hinge mount 11 and the rotating arm 13 are provided with
installation sleeves, and a size of through holes at a central of
the installation sleeves is matched with that of the hinge shaft
12. After the hinge shaft 12 is inserted into the installation
sleeves, the hinge mount 11 and the rotating arm 13 can rotate
relatively.
[0056] The hinge shaft 12 is of a cylindrical solid rod-shaped
structure, or two cylindrical solid rods are inserted into the
installation sleeves from two ends respectively.
[0057] One end of the hinge mount 11 is provided with two
installation sleeves 111, and one end of the rotating arm 13 is
provided with one installation sleeve 135. A height of the
installation sleeve 135 of the rotating arm is equal to a distance
between the two installation sleeves 111 of the hinge mount 11. The
installation sleeve 135 of the rotating arm is placed between the
two installation sleeves 111 of the hinge mount 11, and the through
holes of the installation sleeve are aligned to form a whole
through hole. After the hinge shaft 12 is inserted in the whole
through hole, assembly of the door hinge 1 is completed.
[0058] The door hinge assembled 1 is shown in FIGS. 2 and 3.
[0059] FIG. 2 is a schematic front view of the door hinge
assembled. The wire passing groove 134, the fixing clip 14, a guide
hole of the end cover 15 and internal wires cannot be observed from
the front, and wires or cables drawn from electrical components
needing to be installed at a machine door part can be hidden in the
door hinge 1 and cannot be seen from the front, so that the
purposes of beautification and safety are achieved.
[0060] FIG. 3 is a schematic rear view of the door hinge assembled.
A structure for wiring can be seen. The fixing clip 14 and the end
cover 15 are in cooperation and installed on the rotating arm 13.
The end cover 15 is fixed to one end of the rotating arm 13 via a
bolt, and the space between the two installation sleeves 111 of the
hinge mount 11 is large and is used for rotation of the rotating
arm 13 and avoiding the end cover 15 and other structures.
[0061] FIG. 4 shows an exploded schematic view of the rotating
arm.
[0062] An end, close to the hinge shaft, of the rotating arm 13 is
of a cambered surface structure 132. Due to a large curvature
generated by the cambered surface structure 132, the machine door
can be embedded, better sealing can be achieved, and avoiding the
hinge shaft can be achieved. Another end of the rotating arm 13 is
of a planar structure 133 provided with an installation hole 136
used for being fixedly connected with the machine door.
[0063] Preferably, the installation hole 136 is a circular hole or
a threaded through hole and is connected with the machine door via
a bolt.
[0064] The end, close to the hinge shaft, of the rotating arm 13 is
provided with the installation sleeve 135 of the hinge shaft. The
installation sleeve 135 is internally provided with a through hole,
and the through hole is matched with the hinge shaft 12 in
diameter.
[0065] Preferably, a height of the installation sleeve 135 is the
same as a height of the rotating arm 13.
[0066] A through hole 131 is formed in the one end, close to the
hinge shaft, of the cambered surface structure 132 of the rotating
arm 13. The through hole 131 is used for allowing the wires or the
cables to pass through the wire passing groove 134. The through
hole 131 may be square, and a width of the through hole 131 is
consistent with a width h' of the wire passing groove 134.
[0067] The wire passing groove 134 starts from the through hole 131
and penetrates to the other end, connected with the machine door,
of the rotating arm 13. The wire passing groove 134 has a certain
depth. The wire passing groove 134 is divided into two sections,
one section is located at the planar structure 133 of the rotating
arm to form a straight groove, and the other section is located at
the cambered surface structure 132 of the rotating arm to form an
arc groove. The widths of the two sections of the wire passing
groove 134 are h' consistently.
[0068] As shown in FIG. 4, the fixing clip 14 is matched with the
wire passing groove 134 in shape, and forms a cavity structure with
a cross-sectional shape unchanged with the wire passing groove 134.
The fixing clip 14 is divided into two sections, one section is a
straight clipping section 142 installed in the straight groove of
the wire passing groove 134, and the other section is an arc
clipping section 141 installed in the arc groove of the wire
passing groove 134. An outer width h of the fixing clip 14 is the
same as the width h' of the wire passing groove 134 or slightly
smaller than the width h' of the wire passing groove 134 so that
the fixing clip 14 can be smoothly installed into the wire passing
groove 134.
[0069] The fixing clip 14 has a certain thickness, and cavities
with different cross-sectional areas are formed by placing fixing
clips 14 with different thicknesses in the wire passing groove 134
for placing different types of wires and cables.
[0070] A length of the straight clipping section 142 of the fixing
clip 14 is shorter than that of the straight groove of the wire
passing groove 134, and a tail of the straight clipping section 142
of the fixing clip 14 is provided with an arc-shaped wire passing
notch 143 which achieves wiring guiding and fixing effects.
[0071] The fixing clip 14 rotates together with the rotating arm
13. The fixing clip 14 is detachably connected with the wire
passing groove 134.
[0072] Preferably, the fixing clip 14 is connected with the
rotating arm 13 in a bolted or clamped mode.
[0073] More preferably, the wire passing groove 134 and the fixing
clip 14 are in sliding fit, and the fixing clip 14 can be slidably
connected into the wire passing groove 134 through the through hole
131.
[0074] The door hinge 1 further includes an end cover 15, and the
end cover 15 is of an arc structure externally. The end cover 15 is
installed at the one end, close to the hinge shaft, of the rotating
arm 13 and covers the through hole 131. The end cover 15 is
provided with a tail plate 152, and a size of the tail plate 152 is
set to seal the through hole 131 to reduce exposure of the wires or
the cables. The end cover 15 and the rotating arm 13 are detachably
connected.
[0075] Preferably, the end cover 15 and the rotating arm 13 are
connected via a screw, a head of the end cover 15 is provided with
a screw hole 153, and the rotating arm 13 is provided with a
corresponding screw hole. The end cover 15 and the rotating arm 13
are connected via the screw 16.
[0076] Optionally, the end cover 15 is clamped with the rotating
arm 13.
[0077] The end cover 15 is provided with a guide hole 151. A
position of the guide hole 151 is set according to the wiring
needs. A size of the guide hole 151 is matched with the thickness
of the wires for wire fixing.
[0078] Preferably, the guide hole 151 is located at the upper
portion and/or the lower portion of the end cover 15.
[0079] An insert plate 154 is arranged inside the end cover 15 and
used for positioned connection with the wire passing groove 134 and
the fixing clip 14 to form an unblocked wire via mechanism and
guide the wires or the cables. The remaining part inside the end
cover 15 is hollow for placing the wires or the cables.
[0080] The end cover 15 and the fixing clip 14 can also be designed
as an integrated structure. The insert plate 154 of the end cover
15 and a side edge of the fixing clip 14 are connected into the
integrated structure which is inserted into the wire passing groove
134 of the rotating arm through the through hole 131 during
installation.
[0081] The width of the through hole 131 is greater than the width
h' of the wire passing groove 134 and the width h of the fixing
clip 14 so that the end cover and the fixing clip which are of the
integrated structure can be inserted into the wire passing groove
134 conveniently.
[0082] The end cover and the fixing clip which are integrally
formed are detachably connected with the rotating arm 13.
[0083] Preferably, the connection mode is bolt connection.
Preferably, the connection mode is clamping connection.
[0084] FIG. 5 shows an assembly schematic view of the rotating
arm.
[0085] The fixing clip 14 is matched with the wire passing groove
134 in shape, and the fixing clip 14 is shown in FIG. 5 after
installation.
[0086] The fixing clip 14 is put into the wire passing groove 134
to form the cavity structure for allowing wire to pass; one end of
the cavity structure is provided with an opening for allowing wires
or cables to pass. The guide hole 151 for wiring is formed in the
upper portion after the end cover 15 is fixedly connected with the
rotating arm 13 and can be used for allowing wires or cables to
pass.
[0087] FIG. 6 shows a schematic diagram of the hinge mount. The
end, close to the hinge shaft, of the hinge mount 11 is provided
with the installation sleeves 111 matched with the rotating arm 13.
And installation of the door hinge 1 is completed by inserting the
hinge shaft 12 in after the installation sleeves 111 of the hinge
mount 11 and the rotating arm installation sleeve 135 of the
rotating arm are spliced. Certain spaces are formed between the
installation sleeves 111 of the hinge mount 11 for accommodating
the installation sleeve 135 of the rotating arm and the end cover
15.
[0088] Another end of the hinge mount 11 is provided with an
installation hole 114 used for assembly connection with a front
panel.
[0089] Optionally, the installation hole 114 is a circular hole or
a threaded through hole for bolt connection.
[0090] The hinge mount 11 is provided with a bent structure, an end
which is provided with the installation hole 114 and used for being
fixed to the front panel is a flat plate structure. An end provided
with the installation sleeves 111 is of the bent structure which
protrudes from the flat plate structure and is used for being
connected with the rotating arm 13.
[0091] Preferably, a back of the hinge mount 11 is provided with
support ribs 113 used for enhancing the overall strength of the
hinge mount 11. The support ribs 113 traverse from the installation
sleeves 111 to the other end so as to improve the overall stability
of the door hinge.
[0092] The door hinge 1 is provided with a limiting structure for
limiting the rotation angle of the door hinge 1.
[0093] Preferably, a stop protrusion 112 is arranged on the hinge
mount 11 or the rotating arm 13. When the rotating arm 13 rotating
to a required maximum angle, the rotating arm 13 or the hinge mount
11 makes contact with the stop protrusion 112 in order to limit the
rotation at a greater angle.
[0094] Optionally, the stop protrusion 112 is arranged beside the
through holes of the installation sleeves.
[0095] The door hinge has the beneficial effects that the wires or
the cables pass through a wire passing structure, it can be ensured
that the wires or the cables are surrounded by the cavity structure
in the door hinge, the wires or the cables can be hidden and do not
tangle with each other messily, and thus the overall attractiveness
of a machine body is ensured.
[0096] The wires or the cables are not exposed out of the machine
door or the machine body, thus the wires or the cables are not worn
or broken due to opening and closing of the machine door, and
accordingly the service life of the wires or the cables is
prolonged.
[0097] The present disclosure further includes a laundry treatment
device provided with the door hinge 1.
[0098] The laundry treatment device may be a drum washing machine
or a dryer.
[0099] A door body of the laundry treatment device is provided with
an energization component. In order to facilitate power supply and
control circuit connection, the energization component needs to be
connected with an interior of a laundry treatment device body via
wires or cables. The wires or the cables can be connected with the
energization component of the door body through the door hinge and
the installation hole of the front panel of the laundry treatment
device to realize the communication control function or power
supply.
[0100] The door hinge 1 is provided with the limiting structure.
The door hinge 1 is installed on the machine door 2 and the front
panel 3. The limiting structure can limit the opening and closing
angle of the door body. The opening and closing angle of the door
body coincides with that of the rotating arm 13 of the door
hinge.
Embodiment 1
[0101] The embodiment provides a laundry treatment device provided
with a door hinge 1, and the door hinge 1 is installed on a machine
door 2 and a front panel 3 of the laundry treatment device, as
shown in FIG. 7 and FIG. 8.
[0102] The front panel 3 is located at the front of the laundry
treatment device and is tightly connected with a laundry treatment
device body. The middle portion of the front panel 3 is provided
with a laundry feeding port which can be used for laundry taking
and placing after the machine door 2 is opened.
[0103] Further, the laundry feeding port is provided with an
annular groove, a hinge installation area is arranged in the
annular groove. The door hinge arranged on a side of the machine
door 2 is assembled in the hinge installation area. An outer side
of the hinge installation area is further provided with an avoiding
structure allowing the machine door to open by rotation.
[0104] Preferably, an upper portion and a lower portion of the
front panel 3 of the laundry treatment device are provided with
inwards-recessed installation spaces correspondingly. The laundry
feeding ports are respectively arranged in the installation spaces.
The machine doors are embedded in the installation spaces and
connected with the front panel 3 via the door hinges 1 so as to
open/close the laundry feeding ports. The machine doors and the
front panel 3 form a smooth front surface of the laundry treatment
device.
[0105] FIG. 7 shows a schematic front view of assembly of the
machine door and the front panel. The machine door 2 and the front
panel 3 are provided with installation holes for being installed
with the door hinge 1. The door hinge 1 is connected between the
machine door 2 and the front panel 3 in a rotatable connection mode
for opening and closing of the machine door 2. The energization
component can be installed on the machine door 2, and adopted wires
or cables penetrate through the front panel 3 and are connected
with the energization component of the machine door through the
door hinge 1. When the machine door 2 is opened or closed, no wires
or cables are visible.
[0106] FIG. 8 is a schematic rear view of assembly of the machine
door and the front panel. The hinge mount 11 is installed on the
front panel 3 and is invisible since the hinge mount 11 is located
inside the laundry treatment device body, and the guide hole 151 of
the end cover faces the interior of the machine body.
[0107] After the door hinge 1 is assembled with the machine door 2
and the front panel 3, the wires or the cables are led out from a
main machine body behind the front panel 3 and placed in the wire
passing groove 134, and the wire passing groove 134 is closed by
the fixing clip 14 to form the cavity structure, so that the cavity
structure wraps the wires or the cables. Respective led ends of the
wires or the cables are connected with the energization component
on the machine door. When the wires or the cables are connected,
the wires or the cables are fixed via the end cover 15. The end
cover 15 is fixed on the rotating arm 13 via the screw 16 and
adjusted according to the conditions of the wires and the cables.
The upper portion or the lower portion of the end cover 15 is
provided with the guide hole 151 so that the wires or the cables
can be guided and fixed through the guide hole 151.
[0108] When the machine door 2 is opened or closed, the wires and
the cables are rotated together with the rotating arm 13 and the
machine door 2 without relative movement, and therefore the wires
and the cables are prevented from being broken or worn due to
frequent opening and closing of the machine door.
Embodiment 2
[0109] On the basis of the Embodiment 1, the embodiment provides a
laundry treatment device including a first laundry treatment device
and a second laundry treatment device which are arranged up and
down. FIG. 9 shows a twin-tub washing machine with a control panel
arranged on a machine door.
[0110] The laundry treatment device includes a front panel 3 and
machine doors.
[0111] The front panel 3 is an entire plate-like structure, is
located at the fronts of the two laundry treatment devices and is
tightly connected with side plates of the laundry treatment
devices.
[0112] The machine doors include a first machine door 21 of the
first laundry treatment device and a second machine door 22 of the
second laundry treatment device. The machine doors are connected
with the front panel 3 via door hinges.
[0113] In the above solution, the defined first laundry treatment
device and the second laundry treatment device may be dryer drums
or washing drums, or one of the laundry treatment devices is a
dryer drum and the other laundry treatment device is a washing
drum, wherein the front panel 3 is designed as an entire plate-like
structure.
[0114] Preferably, the cross-sectional profile of the front panel 3
from top to bottom is a smooth line which gradually transitions
from a curve to a straight line segment; or the cross-sectional
profile of the front panel from top to bottom is a smooth line
which gradually transitions from a straight line segment with a
large inclination angle to a straight line segment with a small or
no inclination angle.
[0115] In the above solution, an upper portion of the front panel 3
is arranged as an inclined structure 211 so that a user can observe
and operate the laundry treatment device conveniently.
[0116] Preferably, a first laundry feeding port and a second
laundry feeding port on the front panel are provided with the first
machine door and the second machine door correspondingly. Wherein
at least the first machine door is partially arranged as a curved
structure curved toward a back side of the laundry treatment device
or a planar structure inclined toward the back side of the laundry
treatment device.
[0117] Preferably, the laundry treatment device is provided with
the control panel 212 used to control both the first laundry
treatment device and the second laundry treatment device, and the
control panel is arranged on the inclined structure 211.
[0118] Wires of the control panel are arranged through the door
hinge connecting the first machine door with the front panel.
[0119] In the above solution, by arranging the control panel on the
inclined structure 211 of the first machine door 21, visual
observation and operation on the laundry treatment device of a user
are facilitated. Moreover, the control panel is arranged on the
first machine door 21, thus, a height of the control panel is
exactly matches a height of ordinary users, and the user operation
experience is good.
[0120] Preferably, the laundry treatment device includes a first
control panel for controlling the first laundry treatment device
and a second control panel for controlling the second laundry
treatment device. The first control panel is arranged on the
inclined structure 211 of the first machine door 21, and the second
control panel is arranged on the second machine door 22.
[0121] Preferably, the second machine door 22 is partially arranged
as a curved structure curved toward the back side of the laundry
treatment device or a planar structure inclined toward the back
side of the laundry treatment device. The second control panel is
arranged on the curved structure or planar structure of the second
machine door 22.
[0122] A power source of the control panel 212 is the laundry
treatment device body. The wires of the control panel communicate
with internal circuits of the laundry treatment device through the
wire passing groove 134 of the door hinge so as to achieve the
purpose of controlling the laundry treatment device.
[0123] Wires of the first control panel are passing through the
door hinge connecting the first machine door 21 with the front
panel; and wires of the second control panel are passing through
the door hinge connecting the second machine door 22 with the front
panel.
[0124] Parameters of the two door hinges may be set differently
according to different wiring in a control circuit, such as the
width of the wire passing grooves and the length of rotating
arms.
[0125] According to the above two embodiments, for water-consuming
equipment such as washing machines, by hiding the wires or the
cables through the door hinge 1, the energization component is
isolated from water, so that the overall safety performance of
equipment is greatly improved.
[0126] Machine doors of household appliances or each kind of
equipment integrates various functions or operation panels to
facilitate people operation and use. The wire passing function of
the door hinge 1 provides support and convenience for the
technology. The integration of the door hinge and the wire passing
structure makes the structure simple and compact, a large space can
be saved, components and parts are simplified, and electrical
equipment is more exquisite and attractive.
[0127] The above description is only the preferred embodiments of
the present disclosure, and does not limit the present disclosure
in any form. Although the present disclosure has been disclosed
with the preferred embodiments above, it is not intended to limit
the present disclosure. Any person skilled in the art who is
familiar with this patent can make some equivalent changes such as
variations or modifications to equivalent embodiments based on the
technical content suggested above without departing from the scope
of the technical solutions of the present disclosure, but any
simple variations, equivalent changes and modifications made to the
above embodiments according to the technical essence of the present
disclosure without departing from the content of the technical
solutions of the present disclosure still fall within the scope of
the present disclosure.
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